A Plain Text control allows limited formatting

Kim wants a picture in a document to appear as if it was drawn using chalk. She should do which of the following?

A) Apply a picture style. B) Modify the picture color. C) Apply a correction to the picture. D) Apply an artistic effect.

Which of the following algorithm can use the bad character rule?

a. Naïve string search b. Aho-Corasick c. Rabin-Karp d. Knuth-Morris-Pratt